Evolution of transport under cumulative damage in metro systems

L. K. Eraso-Hernandez, A. P. Riascos, T. M. Michelitsch and J. Wang-Michelitsch
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L. K. Eraso-Hernandez: Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20–364, 01000 Ciudad de México, México
A. P. Riascos: ��Departamento de Física, Universidad Nacional de Colombia, Bogotá, Colombia
T. M. Michelitsch: ��Sorbonne Université, Institut Jean le Rond d’Alembert, CNRS UMR 7190, 4 Place Jussieu, 75252 Paris cedex 05, France
J. Wang-Michelitsch: �Independent Researcher, Paris, France

International Journal of Modern Physics C (IJMPC), 2024, vol. 35, issue 04, 1-17

Abstract: One dominant aspect of cities is transport and massive passenger mobilization which remains a challenge with the increasing demand on the public as cities grow. In addition, public transport infrastructure suffers from traffic congestion and deterioration, reducing its efficiency. In this paper, we study the capacity of transport in 33 worldwide metro systems under the accumulation of damage. We explore the gradual reduction of functionality in these systems associated with damage that occurs stochastically. The global transport of each network is modeled as the diffusive movement of Markovian random walkers on networks considering the capacity of transport of each link, where these links are susceptible to damage. Monte Carlo simulations of this process in metro networks show the evolution of the functionality of the system under damage considering all the complexity in the transportation structure. This information allows us to compare and classify the effect of damage in metro systems. Our findings provide a general framework for the characterization of the capacity to maintain the transport under failure in different systems described by networks.

Keywords: Complex systems; random walks; metro systems; urban infrastructure (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0129183124500372

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